Clarion PU-9836A Service Manual - Page 2
Browse online or download pdf Service Manual for Car Stereo System Clarion PU-9836A. Clarion PU-9836A 12 pages. Land rover rds/fm mpx/mw/lw radio cassette stereo with cd changer control
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• ADJUSTMENT:
ITEM
TEST-POINT
OV
IFI60I
Limiter
VR602
SO
VR60I
S-meter
VRI02
SASC
VR603
Separation VR604
CW
VR50I
DK
VR502
Tape speed TRIOI
VR40I
Dolby NR
VR402
TOP VIEW
PROCEDURE
I.CONNECT THE DIGITAL VOLT-METER TO TP3 AND TP4.
2. INPUT THE 98.IMHz/30dB SIGNAL(no MOD),AND ADJUST THE READING OF
DIGITAL VOLT-METER TO 0±201lV BY IFI60!.
I. INPUT THE 98.IMHz/65dB SIGNAL(400Hz,30% MOD). [OUTPUT:OdB(0.245V)]
2.SET THE SSG OUTPUT TO 10dB,AND ADJUST THE OUTPUT LEVEL TO -3dB
BY VR602.
I.CONNECT BETWEEN TP9 AND TPIO(5V).
2. INPUT THE 98.IMHz/23dB SIGNAL(400Hz,309Vo MOD).
3.ADJUST VR601 SO THAT THE VOLTAGE OF TP5 IS IN THE RANGE OV TO 5V.
I.CONNECT THE DIGITAL VOLT-METER TO TP6.
2. INPUT THE 98.IMHz/35dB SIGNAL(400Hz no MOD).
3. ADJUST THE LEVEL TO 2.4 ± 0.1 V BY VRI02.
1. INPUT THE 98.IMHz/65dB SIGNAL(7KHz 30% MOD).
2.SET THE OUTPUT TO OdB BY VR603 FULLY COUNTER-CLOCKWISE. (0. 775V)
3.SET THE SSG OUTPUT TO 43dB,AND ADJUST VR603 SO THAT THE OUTPUT
LEVEL IS -2dB.
1. INPUT THE 98. IMHz,CONNECT THE OUTPUT OF A STEREO MODULATOR TO
THE EXTERNAL MODULATION TERMINAL, AND INPUT A 65dB SIGNAL.
2.SET THE STEREO MODULATOR TO THE L OR R-ch AND ADJUST VR604 SO
THAT THE MAXIMUM SEPARATION IS OBTAINED. (MORE THAN 20dB)
I.CONNECT THE MILLI VOLT-METER TO TP8.
2. INPUT THE 98.IMHz/65dB SIGNAL(IOOHz,MONO) AND ADJUST THE LEVEL
TO
1.
77V± IdB BY VR501.
I. INPUT tTHE 98.IMHz/55dB SIGNAL (no MOD,SK DK on)
2.CONNECT THE OSCILLOSCOPE TO TP9,AND ADJUST VR502 SO THAT
THE OSCILLOSCOPE OUTPUT WAVEFORM IS MAXIMUM.
1. INSERT A TAPE SPEED TEST TAPE (3000Hz).
2.ADJUST THE TAPE SPEED TO 3000±45Hz BY TRIO!.
1. INSERT A DOLBY LEVEL TEST TAPE (400Hz-200nWb/.),CONNECT THE
MILLI VOLT-METER TO TPI(L) AND TP2(R).
2. ADJUST VR401(L) AND VR402(R) TO OBTAI N AN OUTPUT OF 388mV ± 1 dB.
ADJUSTMENT POINT/TEST POINT
BOTTOM VIEW
TP5
VR 601
r - -
VR 603
1FT
601 - - - - - - ,
VR 6 0 4 - - - - - ,
MAIN PWB
~VR602
VR 102
*
DIVER F IX(HAIN) : Connect TP12 to earth.
I
PU-9836A]
-2-
- T P 4
T P 3 -
C!)
T~P6
(:~~.
TP7
~
TPI2
• • • •
TPIO
T P ' 4 TPB
TP2
MAIN PWB
TPII
C!)TP9